A Case of Epithelioid Sarcoma in the Head and Neck Region

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  • Tanigami Yuki
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Honda Keigo
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Miura Makoto
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Yamada Koichiro
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Kimura Toshiya
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center
  • Nakahira Mai
    Department of Otolaryngology, Japanese Red Cross Wakayama Medical Center

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Other Title
  • 頸部原発類上皮肉腫の1例
  • 症例 頸部原発類上皮肉腫の1例
  • ショウレイ ケイブ ゲンパツルイ ジョウヒ ニクシュ ノ 1レイ

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Abstract

<p>Epithelioid sarcoma is a rare soft tissue sarcoma which has a poor prognosis and very rarely occurs in the head and neck region. We report a case of epithelioid sarcoma which occurred in the right neck. A 50-year-old male presented with a growing right supraclavicular mass. Fine needle aspiration cytology showed carcinoma, but PET/CT did not reveal the primary lesion. For the purpose of definitive diagnosis, right selective neck dissection was performed. As the mass was firmly adhered to the sternocleidomastoid muscle, combined resection was carried out. Histopathological examination of the specimen revealed a malignant tumor with rhabdoid cells that was unclear as to its primary or metastatic lesion. Immunohistochemical examination revealed loss of INI1 expression. Based on both examinations, the tumor was diagnosed as epithelioid sarcoma. The patient underwent postoperative concurrent chemoradiotherapy. Five-year follow-up showed no sign of recurrence.</p>

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